The couple already has four children together, two sons and two daughters.

"Everyone tune in now for tonight’s #FixerUpper! We’ve got some BIG news to share.. hint #1," Chip tweeted on Tuesday before the announcement.

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Hint #3 You might recall a few months back.. the ever amazing, ever romantic @JOHNNYSWIM was in Waco. And they put on a little too romantic of a concert.. anyways, one thing led to another, & we are officially pregnant. And I could not be more EXCITED! #5 #7ThePerfectNumber

For Hint #3, Chip told the story of how he and Joanna got pregnant. "You might recall a few months back.. the ever amazing, ever romantic @JOHNNYSWIM was in Waco. And they put on a little too romantic of a concert.. anyways, one thing led to another, & we are officially pregnant. And I could not be more EXCITED! #5 #7ThePerfectNumber."

What do you think about Chip and Joanna having another child? Let us know in the comments section.

"Gaines party of 7," Chip wrote on Instagram, showing off his and Joanna's matching baby bumps. "(If you’re still confused.. WE ARE PREGNANT) @joannagaines."

The couple already has four children together, two sons and two daughters.

"Everyone tune in now for tonight’s #FixerUpper! We’ve got some BIG news to share.. hint #1," Chip tweeted on Tuesday before the announcement.

For Hint #3, Chip told the story of how he and Joanna got pregnant. "You might recall a few months back.. the ever amazing, ever romantic @JOHNNYSWIM was in Waco. And they put on a little too romantic of a concert.. anyways, one thing led to another, & we are officially pregnant. And I could not be more EXCITED! #5 #7ThePerfectNumber."

Joanna shared a sonogram on Instagram. "Chip swears he can already tell it’s a boy," she wrote. "Look at the little heartbeat!! 🙌🏽❤️❤️ #5."

What do you think about Chip and Joanna having another child? Let us know in the comments section.